I made a list (far from complete) using EU brands, categorised by Country, and type of fashion.

I haven't categorised it by sportswear, outerwear, casual, or formal wear etc.

There are very likely a few mistakes, if anyone sees any mistakes and/or thinks another brand should be on the list, please let me know where they are from and I will add them.

I also have not categorised them by delivery (selected countries, EU wide, or international).
It was initially just meant to be a reminder of clothing that is made in the EU, but I started categorising and now here I am..
The UK list is just massive on it's own, so may add that later, I did not include as not in the EU.

Ideally all brands will be manufactured in EU, but where it is not applicable I will mark them as I find out.

Legend:

• S = Sustainable / more eco-focused and Premium
• PR = Premium / not clearly fast fashion
• FF = Fast fashion / less expensive (frequent trends)
• Unisex = Men & Women etc.
• Mixed = Men, Women and Kids

🇦🇹 Austria

• Hanken Active — PR
• Giesswein — PR
• GEA — PR
• Lowa — PR
• Löffler — PR — Sportswear/Outdoor — Unisex
• Erfolg Label — PR — Knitwear/Underwear/Loungewear — Unisex

🇨🇿 Czech Republic

• Bohempia — S
• [Tilak])https://www.tilak.com/) — PR
• Tilak — PR — Outdoor/Hiking — Unisex
• Direct Alpine — PR — Outdoor/Hiking — Unisex
• Horsefeathers — PR — Outdoor/Streetwear — Unisex

🇩🇰 Denmark

• Shaping New Tomorrow — PR — Casual/Everyday — Mixed
• Dilling — S — Base layers/Thermals — Unisex
• Colorful Standard — S — Underwear/Loungewear/Basics — Mixed
• KnowledgeCotton Apparel — S
• Hummel — PR
• Marc O’Polo — PR
• Nikin Clothing — S
• Grundstoff — PR
• Organic Basics — S
• by Malene Birger — PR
• Tiger of Sweden — PR
• Selected — FF
• Jack & Jones — FF
• Billybelt — FF — Accessories/Casual — Mixed

🇪🇪 Estonia

• Suva — PR — Casual/Everyday — Unisex

🇫🇮 Finland

• Varusteleka — PR — Workwear/Tactical — Mixed
• Paapi — S — Outerwear — Women & Kids
• Lija the Label — PR — Swimwear — Women
• Népra — PR — Activewear — Unisex
• Svala — S — Base layers/Thermals — Unisex
• North Outdoor — PR — Casual/Everyday — Unisex
• Vai-ko — S — Casual/Everyday — Unisex

🇫🇷 France

• Asphalte — PR — Streetwear — Unisex
• Le T-shirt Propre — S — Basics — Unisex
• Armor-Lux — PR — Casual/Basics — Unisex
• Saint James — PR — Casual/Knits — Unisex
• 1083 jeans — PR — Denim/Casual Jeans — Unisex
• Bleuforêt — PR — Casual/Everyday — Mixed
• Le Pantalon — PR — Tailoring/Smart — Men
• Legaulois Jeans — PR — Jeans — Men
• Atelier Tuffery — PR — Tailoring/Smart — Women
• Le Slip Français — S — Underwear — Unisex
• Loom — PR — Casual/Everyday — Unisex
• Berthe aux Grands Pieds — PR — Hosiery/Underwear — Women
• Cocorico — PR — Casual — Women
• Tranquille — PR — Casual/Accessories — Unisex
• Emile — PR — Casual/Everyday — Women
• Octobre éditions — PR — Casual/Smart Casual — Mixed
• Loom — PR — Casual/Everyday — Unisex
• Seagale — S — Casual/Outerwear — Unisex
• WeDressFair — S — Casual/Everyday — Unisex
• Sessun — PR — Designer/Statement — Women
• Veja — S — Footwear — Mixed
• Decathlon — FF — Sportswear/Activewear — Mixed
• Balbaris — S — Casual/Smart Casual — Men
• Lediami — PR — — —

🇩🇪 Germany

• Manomama — S — Casual/Everyday — Mixed
• Trigema — S — Activewear/Casual — Mixed
• Merz b Schwanen — S — Basics/Knits — Unisex
• Sanvt — PR — Streetwear/Denim — Unisex
• Eterna — PR — Tailoring/Smart — Men
• Wijld — S — Outdoor/Casual — Unisex
• Ortovox — PR — Outdoor — Unisex
• Decenio — FF — Casual/Accessories — Unisex
• Armedangels — S — Casual/Everyday — Unisex
• Hessnatur — S — Ethically-made basics (S) — Mixed
• New Yorker — FF — Streetwear — Mixed
• Mustang — PR — Denim/Casual — Unisex
• Groundies — PR — Footwear — Mixed
• Blaumann — PR — Denim/Casual — Men
• Puma — PR — Sportswear — Mixed
• Nordwolle — PR — Base layers/Thermals — Mixed
• adidas — PR — Sportswear — Mixed
• Schiesser — PR — Underwear/Loungewear/Basics — Mixed
• Tom Tailor — FF — Casual/Everyday — Mixed
• notjustalabel — PR — Designer/Statement — Mixed
• Schietwetter — PR — Weatherproof — Mixed
• Vaude — S — Activewear — Unisex
• Wilding — PR — Footwear — Mixed
• Noorlys — S — Activewear — Mixed
• Picea Earth — S — T-Shirts/Base layers — Unisex
• Erlich Textil — PR — Underwear/Lingerie — Unisex
• Grundstoff — PR — Basics/Tops — Mixed
• Elkline — PR — Outdoor/Fleece/Outerwear — Unisex
• GoeshEnkel — PR — Shoes — Unisex
• Nordisk — PR — Outdoor — Unisex
• Avocadostore — S — Marketplace (multiple categories) — Mixed
• Hempage — S — Hemp Tops/Bottoms — Unisex
• Freshemp — S — Hemp Outerwear/Jackets — Unisex
• AlbertKreuz — PR — Menswear (shirts/casual knitwear) — Men
• Ato Berlin — PR — Urban/Street Fashion — Unisex
• Uli Schott — PR — Tailoring/Smart — Men

🇮🇪 Ireland

Aran Woollen Mills — PR — Knitwear — Unisex

🇮🇹 Italy

• Diadora — PR — Activewear/Footwear — Mixed
• Superga — PR — Footwear — Mixed
• Benetton — FF — Casual/Everyday — Mixed
• OVS — FF — Casual/Everyday — Mixed
• Enrico Coveri — PR — Designer/Statement — Women
• Trussardi — PR — Tailoring/Smart — Unisex
• Armani — PR — Designer/Statement — Mixed
• Max Mara — PR — Outerwear — Women
• Alcott — FF — Casual/Everyday — Unisex
• Kappa — PR — Sportswear — Mixed
• Terranova Style — FF — Casual/Everyday — Mixed
• Calliope — FF — Smart/Casual — Mixed
• Rinascimento — PR — Designer/Statement — Women
• Salewa — PR — Activewear — Mixed

🇱🇹 Lithuania

• Audimas — PR — Sportswear — Unisex

🇱🇺 Luxembourg

• Akabo — S — [Made in India - FairTrade]

🇳🇱 Netherlands

• Mr Marvis — S — Socks/Underwear — Unisex
• New Optimist — PR
• Honest Basics — S — Casual — Mixed
• Scotch & Soda — PR — Casual/Everyday — Mixed
• notjustalabel — PR — Designer/Statement — Women
• King Louie — S — Casual/Everyday — Women

🇳🇴 Norway

• Dressmann — FF — Smart/Casual — Men
• Aclima — S — Wool/Base/Thermals — Mixed
• Northern Playground — S — Outerwear — Unisex

🇵🇱 Poland

• Cumulus — PR — Outdoor — Unisex
• Bytom — PR — Tailoring/Smart — Men
• CCC — FF — Footwear/Accessories — Mixed
• Reserved — FF — Casual/Everyday — Mixed
• Kabak — PR — Socks/Accessories — Mixed
• 4F — FF — Sportswear — Mixed
• Sinsay — FF — Casual/Everyday — Mixed
• Mohito — FF — Casual/Everyday — Women
• Cropp — FF — Streetwear — Unisex
• Poszetka — PR — Tailored/Smart/Casual — Men
• Lancerto — FF — Tailored/Smart/Casual — Unisex

🇵🇹 Portugal

• Isto — PR — Casual/Everyday — Men
• Tiffosi — FF — Casual/Everyday — Unisex
• Vilanova — PR — Casual/Everyday — Unisex
• Parfois — FF — Casual/Everyday — Women
• Armazém das Malhas — PR — Casual/Everyday — Unisex
• Barrio Santo — PR — Casual/Everyday — Unisex
• Dirts — PR — Casual/Everyday — Unisex?
• Sacoor Brothers — PR — Smart/Casual — Men
• plus351 — PR — Casual/Everyday — Mixed
• Burelfactory — PR — Designer/Statement — Women
• Wetheknot — PR — Casual/Everyday — Men
• NAZ — PR — Casual/Everyday — Women
• ISTO — PR — Casual/Everyday — Men
• Portuguese Flannel — PR — Casual/Everyday — Men
• Gandaia — PR — Designer/Statement — Women
• Pink House Mustique — PR — Casual/Everyday — Mixed
• Majatu — PR — Designer/Statement — Women
• Chicoracao — S —Designer/Casual — Unisex
• By-Stro — S — Hats/Scarves — Mixed
• Mike Davis — PR — Casual/Everyday — Men
• Cavemen Store — PR — Smart/Casual — Men
• Alfaiataria — PR — Tailoring/Smart — Men
• MOND — PR — Tailoring/Smart — Men
• Teym — PR — Casual/Everyday — Mixed
• MGO Leisurewear — PR — Leisure/Casual — Unisex
• MukiShoes — S — Footwear — Mixed
• EKN Footwear — PR — Shoes/Sneakers — Unisex

🇷🇴 Romania

• Made in Rosia Montana — S — Handmade/Traditional — Mixed

🇸🇮 Slovenia

• Karibu — PR — Casual/Everyday — Unisex
• Iglusport — PR — Outdoor/Hiking — Mixed

🇪🇸 Spain

• Hookeshop — PR — Casual/Accessories — Unisex
• Custi — PR — Streetwear — Mixed
• Mikel&Joe — PR — Casual/Everyday — Unisex
• Massimo Dutti — FF — Casual/Everyday — Mixed
• TwoThirds — PR — Designer/Statement — Unisex
• Salsa Jeans — FF — Denim/Casual Jeans — Unisex
• Tiffosi — FF — Casual/Everyday — Unisex
• Lanidor — FF — Casual/Everyday — Mixed
• Velour Garments — S — Casual/Everyday — Unisex?

🇸🇪 Sweden

• Nudie Jeans — S — Denim/Casual Jeans — Unisex
• Asket — S — Basics/Casual — Unisex
• Stellar Equipment — PR — Outdoor/Workwear — Unisex
• Didriksons — PR — Outerwear — Mixed
• Boob Design — PR — Maternity/Nursing — Women
• Stenströms — PR — Tailoring/Smart — Men
• Oscar Jacobson — PR — Tailoring/Smart — Men
• Woolpower — S — Base layers/Thermals — Mixed
• Eton Shirts — PR — Tailoring/Smart — Men
• Morris — PR — Casual/Everyday — Men
• Stutterheim — PR — Rainwear — Unisex

🇨🇭 Switzerland

• Nikin — S — Underwear/Loungewear/Basics — Mixed
• On — PR — Sportswear — Mixed
• Feelgrounds — PR — Sneakers — Mixed
• Zimmerli — S — Underwear/Nightwear/Loungewear — Unisex

Bloody hell mate this has taken you some time and effort. Thank you very much for putting it together!